Here's the changes since 6.0.5:
* When there is a contact email found on a site that contains
nonfree JavaScript, the email link now includes a default subject
and body when you click on it. These defaults are configurable in
...

Changes since the 6.0.1 release:
* Disable license analysis when JavaScript is turned off in the
browser. This fixes a bug reported by Rubén Rodríguez.
* Updated the Google Analytics regex to block recent versions of
Google Analytics.
* Reduced file size of the add-on executable.